@media (max-width:768px){
    .pt100{
        padding-top: 50px;
    }
    .pt120{
        padding-top: 50px;
    }
    .index-4-list{
        padding-top: 40px;
        flex-wrap: wrap;
    }
    .index-5-introduce{
        padding-left: 0px;
        padding-top: 20px;
    }
    .index-5-name p:nth-child(2){
        padding-top: 15px;
    }
    .index-introduce-text{
        padding-top: 10px;
    }
    .index-5, .index-6, .index-7{
        padding: 0px 5%;
    }
    .index-7{
        flex-wrap: wrap;
    }
    .index-7-l,.index-7-r{
        width: 100%;
    }
    .index-7-title-e{
        padding-bottom: 10px;
    }
    .index-7-title, .index-7-title-e{
        font-size: 18px;
    }
    .index-7-r{
        padding-bottom: 20px;
    }
    .index-introduce-text{
        margin-top: 10px;
    }
    .index-6{
        flex-direction: column-reverse;
        flex-wrap: wrap;
    }
    .index-6-img{
        width: 100%;
    }
    .index-6-introduce{
        padding: 0px;
        width: 100%;
    }
    .index-4-div{
        width: 100%;
    }
    .index-5{
        flex-wrap: wrap;
    }
    .index-5-name-p{
        position: unset;
        height: unset;
        padding: unset;
    }
    .index-5-name{
        padding: 0;
        width: 50%;
    }
    .index-5-img{
        width: 50%;
    }
    .index-introduce-title{
        margin-top: 0px;
    }
    .index-5-name p:nth-child(1){
       font-size: 20px;
    }
    .index-title{
        font-size: 20px;
    }
    .index-title-e{
        font-size: 20px;
        padding: 5px;
    }
    .index-2-content{
        padding: 15px 0px 5px;
    }
    .index-2-2{
        padding:30px 5% 0px;
    }
    .index-2-2-div{
        width: 15%;
    }
    .index-2{
        padding: 30px 5% 0px;
    }
    .index-3-list{
        flex-wrap: wrap;
        padding: 20px;
        margin: 0px 5%;
    }
    .index-3-div-img{
        width: 100%;
    }
    .index-3-div-article p:nth-child(1), .index-3-div-article p:nth-child(2){
        font-size: 20px;
        padding-top: 10px;
    }
    .index-3-div-article p:nth-child(2){
        padding: 10px 0px 20px;
    }
    .index-3-div-article{
        width: 100%;
    }
}